Message-ID: <1262914361885-1009398.post@n4.nabble.com>
Date: 2010-01-08T01:32:41Z
From: chrisli1223
Subject: Polynomial equation
Hi all,
I have got a dataset. In Excel, I can fit a polynomial trend line
beautifully. However, the equation that Excel calculates appear to be
incorrect. So I am thinking about using R.
My questions are:
(1) How do I fit a polynomial trendline to a graph?
(2) How do I calculate and display the equation for that trendline?
Many thanks for your help. Greatly appreciated.
Chris
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